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The 180 students in a group are to be seated in rows so that

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Joined: 12 May 2012
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Location: United States
Concentration: Technology, Human Resources
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New post 29 Jun 2012, 03:30
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Question Stats:

95% (00:51) correct 5% (00:53) wrong based on 220 sessions

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The 180 students in a group are to be seated in rows so that there is an equal number of students in each row. Each of the following could be the number of rows EXCEPT

(A) 4
(B) 20
(C) 30
(D) 40
(E) 90
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Re: The 180 students in a group are to be seated in rows so that  [#permalink]

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New post 29 Jun 2012, 03:34
Senior Manager
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Re: The 180 students in a group are to be seated in rows so that  [#permalink]

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New post 29 Jun 2012, 05:44
180 has all factors except 40..

The question is asking.. which of the number from choices given can not be divisible by 180?? try each num from choices. and u l get the num.
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Re: The 180 students in a group are to be seated in rows so that   [#permalink] 29 Jun 2012, 05:44
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The 180 students in a group are to be seated in rows so that

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